/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.server.coordinator;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;

import java.util.Set;
import java.util.TreeSet;

/**
 */
public class DatasourceWhitelist
{
  public static final String CONFIG_KEY = "coordinator.whitelist";

  private final Set<String> dataSources;

  @JsonCreator
  public DatasourceWhitelist(Set<String> dataSources)
  {
    this.dataSources = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
    this.dataSources.addAll(dataSources);
  }

  @JsonValue
  public Set<String> getDataSources()
  {
    return dataSources;
  }

  public boolean contains(String val)
  {
    return dataSources.contains(val);
  }
}
